49 C.F.R. § 579.5

(a) Each manufacturer shall furnish to NHTSA's Early Warning Division (NVS-217) a copy of all notices, bulletins, and other communications (including those transmitted by computer, telefax, or other electronic means and including warranty and policy extension communiqués and product improvement bulletins) other than those required to be submitted pursuant to § 573.6(c)(10) of this chapter, sent to more than one manufacturer, distributor, dealer, lessor, lessee, owner, or purchaser, in the United States, regarding any defect in its vehicles or items of equipment (including any failure or malfunction beyond normal deterioration in use, or any failure of performance, or any flaw or unintended deviation from design specifications), whether or not such defect is safety-related.

(b) Each manufacturer shall furnish to NHTSA a copy of each communication relating to a customer satisfaction campaign, consumer advisory, recall, or other safety activity involving the repair or replacement of motor vehicles or equipment, that the manufacturer issued to, or made available to, more than one dealer, distributor, lessor, lessee, other manufacturer, owner, or purchaser, in the United States.

(c) If a notice or communication is required to be submitted under both paragraphs (a) and (b) of this section, it need only be submitted once.

(d) Each copy shall be in readable form and shall be submitted not later than five working days after the end of the month in which it is issued. However, a document described in paragraph (b) of this section and issued before July 1, 2003, need not be submitted.